1291556825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{209159}}^1$

素因数の和:209201

約数の個数: 24

約数和(自身を含む): 1815508800

約数和(自身を除く): 523951975

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 209159, 1045795, 2719067, 3974021, 5228975, 13595335, 19870105, 51662273, 67976675, 99350525, 258311365, 1291556825]

約数ペア:

[(1, 1291556825), (5, 258311365), (13, 99350525), (19, 67976675), (25, 51662273), (65, 19870105), (95, 13595335), (247, 5228975), (325, 3974021), (475, 2719067), (1235, 1045795), (6175, 209159)]